再學 GDI+[12]: 準備工作 – 矩形命中

本例:代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs;type TForm1 = class(TForm) procedure FormMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y:

學習 Message(19): WM_SYSCOMMAND 訊息[三] : WParam 參數

TMessage.WParam 就是 TWMSysCommand.CmdType; 這是系統命令編號.下面程式會把 WParam 攔截, 並顯示的表單標題.unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) protected procedure

WinAPI: 輸入游標相關的函數[4]

本例:代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs;type TForm1 = class(TForm) procedure FormMouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y:

WinAPI 字元及字串函數(7): IsCharLower – 是否是個小寫字母

unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; Button5:

再學 GDI+[16]: GDI+ 的顏色常量表

顏色名稱  顏色效果  顏色值aclAliceBlue$FFF0F8FFaclAntiqueWhite$FFFAEBD7aclAqua$FF00FFFFaclAquamarine$FF7FFFD4aclAzure$FFF0FFFFaclBeige$FFF5F5DCaclBisque$FFFFE4C4aclBlack$FF000000aclBlanchedAlmond$FFFFEBCDaclBlue$FF0000FFaclBlueViolet$FF8A2BE2aclBrown$FFA52A2Aac

再學 GDI+[13]: DrawBezier – 繪製貝塞爾線

本例:代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs;type TForm1 = class(TForm) procedure FormPaint(Sender: TObject); procedure FormMouseDown(Sender: TObject; Button:

WinAPI 字元及字串函數(2): CharLowerBuff – 把緩衝區中指定數目的字元轉小寫

unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; procedure

再學 GDI+[17]: FillRectangle、ColorRefToARGB、TGPSolidBrush 和顏色透明度

本例:代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ComCtrls, StdCtrls, ExtCtrls;type TForm1 = class(TForm) ColorListBox1: TColorListBox; TrackBar1: TTrackBar; procedure

學習 Message(22): WM_SYSCOMMAND 訊息[六] : 系統功能表綜合操作樣本

本例:代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; Button5

WinAPI 字元及字串函數(3): CharUpper – 字元或字串轉大寫

unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; Button5:

再學 GDI+[14]: DrawBeziers – 繪製一組貝塞爾線

本例:代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs;type TForm1 = class(TForm) procedure FormPaint(Sender: TObject); procedure FormMouseDown(Sender: TObject; Button:

WinAPI 字元及字串函數(4): CharUpperBuff – 把緩衝區中指定數目的字元轉大寫

unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; procedure

一個字串到數組的例子 – 回複”成紅”的問題, 對其他朋友參考價值不大

問題來源: http://www.cnblogs.com/del/archive/2008/11/04/1209070.html#1360634代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Memo1: TMemo;

再學 GDI+[18]: FillEllipse、TGPHatchBrush(陰影畫刷)

TGPHatchBrush.Create( hatchStyle: THatchStyle; {陰影樣式, 見下表} foreColor: TGPColor; {前景色彩} backColor: TGPColor = aclBlack {背景色, 是可選值, 預設是黑色});本例:代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics,

WinAPI: 輸入游標相關的函數[2]

本例測試修改游標的設定閃爍速度, 注意這會影響到其他程式, 退出時應恢複到系統預設的 530 毫秒.本例:代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls;type TForm1 = class(TForm) RadioGroup1: TRadioGroup;

WinAPI 字元及字串函數(5): IsCharAlpha – 是否是個字母

unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; Button5:

再學 GDI+[15]: GDIPAPI 單元提供的 Make 及 Color 系列函數

function MakePoint(X, Y: Integer): TGPPoint; overload;function MakePoint(X, Y: Single): TGPPointF; overload;function MakeSize(Width, Height: Integer): TGPSize; overload;function MakeSize(Width, Height: Single): TGPSizeF; overload;function MakeRect(x,

WinAPI 字元及字串函數(6): IsCharAlphaNumeric – 是否是個文字(字母或數字)

unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls;type TForm1 = class(TForm) Button1: TButton; Button2: TButton; Button3: TButton; Button4: TButton; Button5:

WinAPI: 輸入游標相關的函數[3]

本例測試修改游標的形色, :代碼檔案:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls;type TForm1 = class(TForm) RadioGroup1: TRadioGroup; procedure FormCreate(Sender: TObject);

再學 GDI+[19]: TGPTextureBrush(紋理畫刷)

TGPTextureBrush.Create( image: TGPImage; {用於畫刷的映像});本例:unit Unit1;interfaceuses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs;type TForm1 = class(TForm) procedure FormPaint(Sender: TObject); end;var Form1

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